ffmpeg cut video time

command.sh

# Cut five seconds off beginning
ffmpeg -i original.mkv -strict experimental -c:v copy -c:a copy -ss 00:00:05 cut.mkv

# Cut to ten seconds in length, starting at five seconds (5-15s)
ffmpeg -i original.mkv -strict experimental -c:v copy -c:a copy -ss 00:00:05 -t 00:00:10 cut.mkv

# Cut everything before five seconds, cut everything after eight seconds (5-8s)
ffmpeg -i original.mkv -strict experimental -c:v copy -c:a copy -ss 00:00:05 -to 00:00:08 cut.mkv